CVE-2019-11419: Null Pointer Dereference
vcodec2hlsfilter in libvoipCodecv7a.so in the WeChat application through 7.0.3 for Android allows attackers to cause a denial of service (application crash) by replacing an emoji file (under the /sdcard/tencent/MicroMsg directory) with a crafted .wxgf file. The content of the replacement must be derived from the phone's IMEI. The crash occurs upon receiving a message that contains the replaced emoji.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this WeChat vulnerability?
The vulnerability ID for this WeChat vulnerability is CVE-2019-11419.
What is the severity of CVE-2019-11419?
The severity of CVE-2019-11419 is medium with a CVSS score of 5.5.
What is the description of CVE-2019-11419?
CVE-2019-11419 is a vulnerability in the WeChat application for Android that allows attackers to cause a denial of service by replacing an emoji file with a crafted .wxgf file.
Which versions of WeChat for Android are affected by CVE-2019-11419?
WeChat versions up to and including 7.0.3 for Android are affected by CVE-2019-11419.
How can I fix CVE-2019-11419 in WeChat for Android?
To fix CVE-2019-11419 in WeChat for Android, update to the latest version available.